Pisa is an evregreen small tree mainly found in Karnataka and Maharashtra. Branchlets and young leaves are dense, soft rusty-velvety or hairy. Mature leaves may be hairless. Leaves are arranged in whorls of 5-8 on the stem. Leaves are ovate or elliptic-lanceolate, fine tipped, hairless or velvety beneath. Nerves 6-8 pair very slender. Male flowers clustered on a short stout peduncle. Fruit is ellipsoid, seated on the much-thickened, nearly bell-shaped, perianth-tube.